Paleozoic Species and Groups that Should Be Brought Back from Extinction

The Top Ten
1 Placoderms
2 Trilobite
3 Sea Scorpion (Eurypterid)
4 Acanthostega
5 Ichthyostega
6 Cephalaspis
7 Panderichthys
8 Dimetrodon
9 Edaphosaurus
10 Moschops
The Contenders
11 Arthropleura

I'm no it might not survive because of there was higher oxygen during that time and it might not survive.

12 Meganeura
13 Gorgonops
14 Scutosaurus
15 Diictodon
16 Lystrosaurus
17 Mesosaurus
18 Crassigyrinus
19 Westlothiana
20 Tapinocephalus
21 Estemmenosuchus
22 Dicynodon
23 Procolophon
24 Procynosuchus
25 Diadectes
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